449 Hamburga
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf A. Schwassmann |
| Discovery site | Heidelberg Obs. |
| Discovery date | 31 October 1899 |
| Designations | |
| (449) Hamburga | |
| Pronunciation | /hæmˈbɜːrɡə/ |
Named after | Hamburg (German city) |
| 1899 EU · 1947 OA 1948 TO · A901 EA | |
| main-belt · (middle) background | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.91 yr (43,066 days) |
| Aphelion | 2.9931 AU |
| Perihelion | 2.1097 AU |
| 2.5514 AU | |
| Eccentricity | 0.1731 |
| 4.08 yr (1,489 days) | |
| 228.86° | |
| 0° 14m 30.48s / day | |
| Inclination | 3.0847° |
| 85.923° | |
| 47.281° | |
| Physical characteristics | |
| Dimensions | 55.09±14.25 km 63.61±0.75 km 66.76 ± 4.82 km 77.90±22.29 km 80.83±17.91 km 85.59±1.9 km |
| Mass | (1.57±1.40)×1018 kg |
| 18.145±0.005 h 18.263±0.004 h | |
| 0.03±0.02 0.033±0.009 0.0393±0.002 0.07±0.02 0.072±0.002 | |
| Tholen = C · C B–V = 0.701 U–B = 0.378 | |
| 9.43±0.01 · 9.47 · 9.79 · 9.79±0.07 · 9.80 | |
449 Hamburga is a carbonaceous asteroid from the background population of the intermediate asteroid belt, approximately 75 kilometers in diameter. It was discovered by German astronomers Max Wolf and Friedrich Schwassmann at Heidelberg Observatory on 31 October 1899, and later named after the city of Hamburg in Germany.
449 was a proposed target for the 1980s-1990s space probe mission proposal CRAF.